Grier, D. A. (2005). When computers were human. Princeton University Press.
Chicago Style (17th ed.) ZitazioaGrier, David Alan. When Computers Were Human. Princeton: Princeton University Press, 2005.
MLA (9th ed.) ZitazioaGrier, David Alan. When Computers Were Human. Princeton University Press, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.